I still don't get why so many say they want to 'get rid of propane' yet then add another fuel source in place of it, sometimes in horribly unsafe locations. Buy an illegal, direct copy of a product developed over many years by a good German company (Espar), one that carries no warranty and barely any support from the sellers. If one already has a gasoline engine and tank installed, why not support a legit company that sells a superior [gas-fired] product with full warranty and support in the USA - Webasto? If a 4kw version is desired for larger vans, the choices then expand to include Espar (whose design the Chinese stole).